Fossils: Crawfordsville Indiana Crinoids - Camerate Crawfordsville Macrocrinus Crinoid with Preserved Anal Tube - Links
Posted by Ricardo Marcenaro | Posted in Fossils: Crawfordsville Indiana Crinoids - Camerate Crawfordsville Macrocrinus Crinoid with Preserved Anal Tube - Links | Posted on 18:14
Fossils: Crawfordsville Indiana Crinoids - Camerate Crawfordsville Macrocrinus Crinoid with Preserved Anal Tube - Links
Camerate Crawfordsville Macrocrinus Crinoid with Preserved Anal Tube
Name: Family Batocrinidae; Macrocrinus mundulus
Age: Lower Mississippian Osagean Stage (345 m.y.a)
Size (25.4 mm = 1 inch): Macrocrinus – 50 mm by 23 mm crown with 12 mm anal tube showing and 17 mm of attached stem on a 110 mm by 70 mm matrix
Location: Crawfordsville, Indiana
Macrocrinus mundulusDescription: A fine example of the Camerate crinoid Macrocrinus mundulus (Family Batocrinidae), which displays the elongated anal tube from the famous Crawfordsville crinoid beds. Preservation on this specimen is remarkably complete, down to the fine pinnules on the arms, showing that it was buried quite rapidly, preserving it from the decomposition and disarticulation that usually is the fate of most echinoderms.
Name: Family Batocrinidae; Macrocrinus mundulus
Age: Lower Mississippian Osagean Stage (345 m.y.a)
Size (25.4 mm = 1 inch): Macrocrinus – 50 mm by 23 mm crown with 12 mm anal tube showing and 17 mm of attached stem on a 110 mm by 70 mm matrix
Location: Crawfordsville, Indiana
Macrocrinus mundulusDescription: A fine example of the Camerate crinoid Macrocrinus mundulus (Family Batocrinidae), which displays the elongated anal tube from the famous Crawfordsville crinoid beds. Preservation on this specimen is remarkably complete, down to the fine pinnules on the arms, showing that it was buried quite rapidly, preserving it from the decomposition and disarticulation that usually is the fate of most echinoderms.
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